EI

Etsuo Izu

SO Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #3,910,387 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4953050 Magnetic head with Ru containing soft magnetic alloy in gap Tatsuo Kumura, Heikichi Sato, Yoshiyuki Kunito, Yoshito Ikeda, Masatoshi Hayakawa 1990-08-28